come forward （to）= step forward；move to the front；offer oneself；present oneself站出來；自告奮勇；主動提出 例如：*Then the dean came forward and shook hands with all the representatives．接著，教務長走上前來，同所有的代表一一握手。*He has come forward with an offer of help．他主動提出幫忙。*The police want witnesses of the incident to come forward and help them with their inquiries．警察希望事故目擊者能站出來協助他們調查。*When his home was badly damaged in the storm many soldiers came forward to help him repair it．當他家房子在暴風雨中遭到嚴重損壞時，許多戰士主動來幫助他維修。